Helianthus grosseserratus M.Martens
Determiner: Cochrane, Theodore S. (2006-11-14)
Black, Merel R. 06-12
Verbatim Date: 6/Sep/2006
United States, Wisconsin, Dane, 2.5 mi. (by road) NNW of Daleyville on S-side of CTH Z between Barber Rd. and CTH E just W of drainage ditch. On boundry line between Perry and Blue Mounds Twp. in Perry Twp.
42.9440167° N, 89.8280833° W; T05N R06E sec06 CN8;
Roadside ditch at the edge of a wetland that has been ditched and cultivated but idle now for at least 10 years. With willows, Polygonum amphibium, several Helianthius spp. Full sun, mucky soil.
[Sheet 1 of 4]; Many plants together ranging from 8'-10' tall. Several heads in a large cluster. Roots with small tubers. Stem greenish, smooth.
Record Id: 673f2e3a-fe63-4f96-958a-7fc23cdf62df
Occurrence ID (GUID):